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SUBSEQUENT EVENTS (Details) - USD ($)
 1 Months Ended 3 Months Ended 12 Months Ended
Mar. 15, 2022
Jan. 12, 2022
Feb. 01, 2019
Jan. 25, 2021
Mar. 31, 2022
Mar. 16, 2022
Dec. 31, 2021
Dec. 31, 2020
Aug. 12, 2021
Subsequent Event [Line Items]                  
Carrying amount of assets             $ 7,800,000    
Cantor Sales Agreement                  
Subsequent Event [Line Items]                  
Number of shares issued in transaction (in shares)       2,778,012     1,955,313 1,175,000  
Consideration received in a transaction     $ 50,000,000.0         $ 8,000,000  
Consideration receivable on transaction                 $ 50,000,000
Forecast | Minimum                  
Subsequent Event [Line Items]                  
Proceeds from sale of franchises         $ 21,300,000        
Forecast | Maximum                  
Subsequent Event [Line Items]                  
Proceeds from sale of franchises         22,300,000        
Subsequent Event                  
Subsequent Event [Line Items]                  
Cash consideration   $ 25,000,000              
Contingent consideration receivable   25,000,000              
Upfront payment   20,000,000              
Additional consideration receivable   5,000,000              
Milestone payments receivable upon achievement of net sales   450,000,000              
Milestone payments upon achieving certain criteria, exceeding annual net sales   100,000,000              
Inventory   7,300,000              
Liabilities transferred   $ 0              
Subsequent Event | Cantor Sales Agreement                  
Subsequent Event [Line Items]                  
Number of shares issued in transaction (in shares)           2,465,500      
Consideration received in a transaction           $ 1,500,000      
Subsequent Event | Lincoln Park Equity Purchase Agreement                  
Subsequent Event [Line Items]                  
Number of shares issued in transaction (in shares) 1,667,593                
Consideration receivable on transaction $ 30,000,000                
Term of equity purchase agreement 36 months                
Subsequent Event | Minimum                  
Subsequent Event [Line Items]                  
Estimated gain on sale of MST Franchise         13,500,000        
Transaction costs         2,700,000        
Subsequent Event | Maximum                  
Subsequent Event [Line Items]                  
Estimated gain on sale of MST Franchise         14,500,000        
Transaction costs         $ 3,700,000